/*
 * Copyright © ${year} ${owner} (${email})
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jd.live.agent.plugin.protection.kafka.v3.interceptor;

import com.jd.live.agent.bootstrap.bytekit.context.ExecutableContext;
import com.jd.live.agent.bootstrap.util.type.FieldAccessor;
import com.jd.live.agent.core.plugin.definition.InterceptorAdaptor;
import com.jd.live.agent.plugin.protection.kafka.v3.client.LiveKafkaClient;
import org.apache.kafka.clients.KafkaClient;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient;

import static com.jd.live.agent.bootstrap.util.type.FieldAccessorFactory.getAccessor;
import static com.jd.live.agent.core.util.StringUtils.split;

public class KafkaConsumerInterceptor extends InterceptorAdaptor {

    @Override
    public void onSuccess(ExecutableContext ctx) {
        KafkaConsumer<?, ?> consumer = (KafkaConsumer<?, ?>) ctx.getTarget();
        ConsumerConfig config = ctx.getArgument(0);
        ConsumerNetworkClient networkClient = Accessors.networkClient.get(consumer, ConsumerNetworkClient.class);
        KafkaClient kafkaClient = Accessors.kafkaClient.get(networkClient, KafkaClient.class);
        kafkaClient = new LiveKafkaClient(kafkaClient, split(config.getString(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG)));
        Accessors.networkClient.set(networkClient, kafkaClient);
    }

    private static class Accessors {
        private static final FieldAccessor networkClient = getAccessor(KafkaConsumer.class, "client");
        private static final FieldAccessor kafkaClient = getAccessor(ConsumerNetworkClient.class, "client");
    }
}
